Apparatus for making artificial ice.



0. H. JEWELL.

APPARATUS FOR MAKING ARTIFICIAL 10E.

APPLICATION FILED JUNE 1, 1909.

1,004,653. Patented Oct. 3, 1911;

3 8HBETBBHBET 1.

WITNESSES $4 54 I NVE/VTOR kid. 46m 0 'NMADM an 4 g m TTORNEYS 0. H. JEWELL.

APPARATUS FOR MAKING ARTIFICIAL ICE.

APPLIOATION'IILBD JUNE 1, 1909.

1,004,653. Patented 0013,1911.

3 SHEETS-SHEET 2.

WITNESSES VENTOR O. H. JEWELL.

APPARATUS FOR MAKING ARTIFICIAL ICE.

APPLICATION FILED JUNE 1, 1909.

1,004,653. Patented 001. s, 1911.

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UNITED sTA'rps' @TENT OFFICE.

OMAR J EWELL, OF CHICAGO, ILLINOIS, ASSIGNOR TO POLAR ICE MACHINE COMPANY,

- OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

APPARATUS FOR MAKING ARTIFICIAL ICE.

Specification of Letters Patent.

Patented Oct. 3, 1911.

. To all whom it may concern:

I, OMAR H. JEWELL, a citizen of the United States, residing at Chicage, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Apparatus for Making Artificial -Ice, of which the following is a specification, reference being had to the accompanying drawings.

My invention relates to the manufacture of artificial ice, and has particularly to do with the harvesting of the ice after the freezing operation has been completed.

It hasfor its object to provide an improved apparatus by which the blocks or cakes of ice may be easily and quickly loosened from the cans in which they are frozen and at the same time tempered so that they will not crack or crumble materially when exposed to'the atmosphere. I accomplish, .this object as illustrated in the drawing's and as hereinafter described.

Be it known that What I regard as new is set forth in the claims.

In the accompanyingdrawings, in which I haveillustratedmyimprovements in connection with an apparatus for freezing water according to the method described in m pendingapplication, Ser. No. 404,776, filed December 2, l907,-Figure 1 is a plan view of the apparatus; Fig. 2 is a side elevation, some-parts being broken away; Fig. 3 isa cross-section on line 3-3 of Fig. 2; and Fig. 4 is an end View, the motor and adjacent parts being omitted.

I shall now describe the embodiment of my invention illustrated, but I wish' it to be understood that my improvements are not limited in their application to an apparatus constructed and arranged to manufacture ice according the process described in my said pending application,

as they may be applied to other types of apparatus. My

invention is, however, peculiarly applicable" to apparatus designed to freeze water at a low temperature, since it p'rovides for tempering the ice as well as freeing it so that when removed from the container it is'not damaged so as to injure its value as a commercial article, by exposure to the atmosphere.

Referring to the drawings,-.5 indicates a. tank adapted to contain. brine, or other nonfreezing liquid, which may be caused to airwater to be frozen is placed.

6 indicates a coil ,5, through which ammonia, or other freezmg medium, is caused to pass for cooling the brine. The coil 6 is supplied in any suitable way, itbeing understood that the brine in the tank 5 is maintained at a suit- Fahrenheit.

7 indicates a series of containers or cans adapted to contain the water to be frozen. Said cans are preferably of the type shown and described in my pending application hereinbefore referred to, being provided at the bottom with a Well or receptacle 8 which is exposed to the atmosphere and forms a non-freezing zone, the water in which remains unfrozen while the contents of the can 7 proper are frozen. Each of the cans 7 able temperature, as, for example, 'zero is surrounded by a-ja'cket 9 extending from the bottom to near the top thereof, as shown in Fig.3, from which it will be seen that thejackets 9 do not extend around the well or receptacle 8 below the bottoms of the cans. The space between the cans 7 and the jackets 9 forms a chamber through which the cold brine is caused to circulate for freezing the contents of the cans 7. For provid ing this circulation a centrifugal pump 10 is provided, which is connected by a pipe 11 with one end of the brinetank 5 and is also connected by a pipe 12 with a header 13, which is connected with each of the can jackets 9 by two pipes 14-15, one of said pipes, as 14, being provided with a valve 16, as best shown in Fig. 1.

17 indicates a valve provided in the pipe 11, and 18 indicates a valve provided in thev pipe 12. v V

19 indicates a return header, which is connected with the opposite end of the brinetank 5 by a connecting pipe 20, as shown in Fig. 1, and is connected with the opposite ends of the can 2].. The pipe 20 is provided with a checkvalve 22 shown in' Fig. 2, which prevents reverse flow of brine therethroughl 23 indicates a pi e, which connects the return header 19 with the pipe 11 between the valve '17 and the pump 10, said pipe 23 being provided with a valve M, as shown in Fig. 1. I v i It will. be observed that by the construc;

culate around the containers in which the placed within the tank jackets 9 by a series of pipesiunctureofthe pipes 27 and 12 forindicattion described, when the valves 17 and 18' are opened, by operatingthe pump 10, brine from the tank 5 may be caused to flow to the header 18-and thence through thecan jackcts 9, thence through pipes 21 and the return header 19, and thence back to the brine tank;

By shutting. the valve 17 and opening the valve 24, the brine contained in the system of pipes described may be caused to circulate without returning to the brine tank. For use in connection with the latter arrangement I provide a heating appliance 29?, which may be of, any suitable description, such as a gas-burner shown in Fig.4, which is placed under acoil 25 which is ar- .rangedas a by-pass in connection with the pipe .12, one end 26 ;of said coil being connected with the'pipe 12 between the valve 18 and the pump 10, and'the otherend 27 of said coil being connectedfwith the pipe 12 between the valve 18 and the header 1?). By this construction a greater or less part of the 'brine inthe pipes may becaused to pass throughthe coil 26 and'be heated by the heater 2%, the proportionate quantity passing through said coil beingregulated by adjusting the valve l8.v I I 28 indicates a thermometer placedat the ing the temperature of the brine after it comes'from, the heatingcoil.

It will be-evidentfrom the -foregoing .dek

scription that when it is desired to harvest ,the ice formed in the cans 7, the valve 17 is 35.

the brine tank 5. At this time the-valves closed, thereby cutting oif the' pump 10 from 24.'and 18 are .opened, so that, the brine,

'heated to the desired temperature by the heater 2%, is caused to circulatearound the blocks of ice in the, cans, thereby freeing them .fromthe-cans, at-th'e same time temperingfthem so that when removed theyare not injuriously affected by the atmospheric temperature. Ordinarily the brine is heated to a temperature of about 40 Fah. for hairvesting and tempering purposes. The pump 10 is preferably operated" by a directly-connected electric motor 29 shown in Fig. 1, but may be driven from any, other suitable several wells or receptacles 8 at the bottoms ofthe tanks 'f, as best shown in Figs. 1 and 3.

35 indicates pipes leading from the bot tom of each of the several wells or receptacles 8, and extending up to a header 36 In my improved .processhereinbcfore rearranged at" the level thegwater in the several cans 7, said header beingarr'anged to discharge into afunnel 37 at=the upper end of a dischargepipeBS which communicates with a. waste-pipe 39. The several pipes 35 also connect with the waste-pipe 39 by means of a. header 40 with which they are connected by stubs 41, the header 40 be} ing connected with a waste-pipe 39 by branch-pipes 42, as shown in Fig. 3. a

453 indicates valves for cuttingfiofi th pipes 35 andtl from the header'LO.

Thepurpose of the pipes 3536 and their connections above described is "to maintain a constant water level in thecans 'Z by perniitting enough water to escape, as freezing progresses, to maintain a constant level in the cans also to provide for the automatic removal of the impure water from-the can as soon 'as circulation ceases owing to the freezing up of the vertical passage through the mass of ice in the can, as described in the patent'to William B. Bull, No. 948,131, dated February 1, 1 910. While I have illustrated an apparatus in which a plurality of cans-are used, it'will be understood that any desired number of cans may be employed, and in other respects also the apparatus may be variedso long as the essential features of myinvention are retained, which'are the provision ofmeans by which a part of the brine, or other freezing medium employed, maybe warmed and p caused to circulate around the can or to free the ice from the container in which it is formed, andalso to temper it; alsolthe provision of means either having the construction described, or equivalent construction, for regulating thejtemperature of the brine and for controlling its use-either as a freezing medium or as a harvesting medium.

desire to-secure by Letters Patent-,'is,-

' 1. An apparatus for making artificial ice,-

comprising a receptacle adapted to contain water to be frozen, a brine tank, means for causing brine from said tank to circulate aroundsaid receptacle,'means for cutting out the brine tank and forming a harvesting circuit for maintaining a circulation of a That which I claim as my invention, and

portion of the brine around said receptacle for harvesting ortemperingthe ice,"aby:f j

pass in the harvesting circuit and means for."

warming the brinefiowing through said by} pass.

2. An apparatus for making artificial ice,

comprising a receptacle adapted to contain" water to be frozen, a brine tank, a supply pipe forconducting; brine from said tank to said receptacle, means for conductingthe' brine around said receptacle, a return pipe for conducting brme' from said receptacle back to the brine tank, a pipe for. conducting brine from said receptacle back to the supply pipe, valves for controllin the flow of pass.

3. A n apparatus for making artificial ice,

I comprlsing a receptacle adapted to contain Water to be frozen, a brine tank, a supply pipe for conducting brine from said tank to said receptacle means' for conducting the brine-around said receptacle, a return p1 e for conductlngbrlne rom said receptac e back to the brine tank, a pipe for conducting brine from said receptacle back to the sup 1y pipe, valves for controlling the flow of brlne through saidp'pes, a by-pass connected with said supply pipe, meansfor warming the brine passing through said by-pass, and valves for controlling the flow of brine through said by-pass.

' OMAR H. JEWELL.

Witnesses:

JOHN L. JACKSON, MINNIE A. I'IUNTER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. 0. 

